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[bug-62176] synchronize temp dir creation

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1826655 13f79535-47bb-0310-9956-ffa450edef68
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PJ Fanning 2018-03-13 15:12:00 +00:00
parent fd39985247
commit 47fb3691f7
2 changed files with 3 additions and 2 deletions
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gradle/wrapper/gradle-wrapper.jar vendored
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src/java/org/apache/poi/util/DefaultTempFileCreationStrategy.java
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@ -85,11 +85,12 @@ public class DefaultTempFileCreationStrategy implements TempFileCreationStrategy
/**
* Attempt to create a directory, including any necessary parent directories.
* Does nothing if directory already exists.
* The method is synchronized to ensure that multiple threads don't try to create the directory at the same time.
*
* @param directory the directory to create
* @throws IOException if unable to create temporary directory or it is not a directory
*/
private void createTempDirectory(File directory) throws IOException {
private synchronized void createTempDirectory(File directory) throws IOException {
// create directory if it doesn't exist
final boolean dirExists = (directory.exists() || directory.mkdirs());
@ -138,4 +139,4 @@ public class DefaultTempFileCreationStrategy implements TempFileCreationStrategy
// All done
return newDirectory;
}
}
}